noun (n)

• (law) the privilege of using something that is not your own (as using another's land as a right of way to your own land)(noun.attribute)

  source: wordnet30
• the act of reducing something unpleasant (as pain or annoyance)(noun.act)

  Synonym:
  alleviation, easing, relief
  

  source: wordnet30
• That which gives ease, relief, or assistance; convenience; accommodation.(noun)

  source: webster1913